解方程①x2+2x-99=0②(2x-1)2=x(6x-3)③4x2-8x+1=0④(2x-3)2-121=0⑤x2-23x+3=0⑥2(x-3)2=9-x2⑦-3x2-4x+4=0⑧(x+1)(x-1)+2(x+3)=8⑨(x+1)2=4(x-2)2.
解方程①x2+2x-99=0②(2x-1)2=x(6x-3)③4x2-8x+1=0④(2x-3)2-121=0⑤x2-23x+3=0⑥2(x-3)2=9-x2⑦-3x2-4x+4=0⑧(x+1)(x-1)+2(x+3)=8⑨(x+1)2=4(x-2)2.
发布时间:2024-03-31 15:57:21